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The area of a rectangle is represented by 63x^{3}+9x and the length is represented by 7x^{2}+1 . Find the width of the rectangle in terms of x.

 Mar 7, 2021
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Divide  7x2 +1   into the area

 

 

                               9x

7x2 +1  |  63 x3   +  9x

               63 x3    + 9x

                              0                      9x = width

 Mar 7, 2021

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